It’s short but so exciting! The teaser trailer for “X-Men: Days of Future Past” was posted on Instagram -- and it promises some excellent action from our favorite mutants, like Mystique (Jennifer Lawrence), Wolverine (Hugh Jackman) and Professor X (Patrick Stewart).

Watch!

The caption reads "Watch this exclusive X-Men: Days of Future Past sneak peek & stay tuned for the world premiere of the full trailer on Oct 29: http://bit.ly/xmenyoutube. Join director Bryan Singer for a Twitter chat on Oct 28 #AskSinger.”